Marks obtained by 50 students in a class test of 100 marks are given below :
Marks 0 - 25 25 - 50 50 – 75 75 - 100
No of students 4 12 18 16
Find the probability that a student obtained less than 50% marks
with explanation
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Marks obtained by 50 students in a class test of 100 marks are given below :
Marks 0 - 25 25 - 50 50 – 75 75 - 100
No of students 4 12 18 16
Find the probability that a student obtained less than 50% marks
with explanation
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Answer:
8/25 is the probability to get less than 50
Answer:
Total number of students in the class = 4+12+18+16= 50
No of students less than 50 = 4 +12 = 16
possibility of students getting less than 50% = 16/ 50 = 8/25